According to Text I, workers in the oil industry can be expected to bear all of the following working conditions, EXCEPT
a) working hard for long hours in order to keep up oil production.
b) having to perform risky jobs in exchange for guaranteed promotions.
c) spending weekends and holidays on the job, sometimes for long periods.
d) facing adverse weather conditions for long stretches of time to ensure productivity.
e) being on duty away from home and resorting to individual transportation to the job post.